Wierd one here.. I start it up and seems to run fine, i come to my first stop in my neighborhood and it vibrates enough to feel it. When i'm driving i dont have it, i just seem to notice it when i am coming to a stop and at a stop. It also becomes more severe with the A/C on. I also noticed in my driveway last night, while idling, i roll up the windows and if you push all four up and hold it down after they are up, it bogs and vibrates.. I dont have a warranty on this as its a rebuilder, so any thoughts on what to check would be appreciated..

Thanks

 

Engine mounts? Also sounds like idle may be a little low, but not sure of remedy there...

 

I'm thinking a bad ground somewhere, as it doesnt seem to do it until the electric is stressed.. Also, noticed if i turn hard left or right when at a stop, it does the same thing.. So not sure if serpentine is too tight? Does anyone know where the ground points are on the 2012s?